Finding the Fourth Proportional to 2,685,106.44, 4,028,037.18 and 862,860.45
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Solution
The fourth proportional to 2,685,106.44, 4,028,037.18 and 862,860.45 is: 1,294,411.99
Step by Step Solution
- Step 1: Write the proportion equation
2,685,106.44 : 4,028,037.18 = 862,860.45 : x - Step 2: Convert to fraction form
2,685,106.44/4,028,037.18 = 862,860.45/x - Step 3: Cross multiply
2,685,106.44x = 4,028,037.18 × 862,860.45 - Step 4: Simplify right side
2,685,106.44x = 3,475,633,965,390.03 - Step 5: Solve for x
x = 3,475,633,965,390.03/2,685,106.44 - Step 6: Final answer
x = 1,294,411.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.